Thank you for visiting nature.com. You are using a browser version with
limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off
compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site
without styles and JavaScript.

Mechanism of Nicotinic Action at the Adrenal Medulla: Calcium as a Link in Stimulus-secretion Coupling

Subjects

Abstract

IN experiments to probe the mechanism of transmission of sympathetic activity at the adrenal medulla we have found that acetylcholine, which is believed to be the chemical transmitter, evokes catecholamine secretion through some calcium-dependent process. Our evidence, obtained in experiments in cats' adrenal glands perfused in vivo or in vitro with Locke's solution or variations of it, may be summarized as follows.